10

Question 1

Which cardiac biomarkers are regulators of myocyte contraction?

Answer 1

cTnI and cTnT

Question 2

What glands are indicated in primary endocrine dysfunction?

Answer 2

target glands (thymus, thyroid, parathyroid, etc.)

Question 3

What glands are indicated in secondary endocrine dysfunction?

Answer 3

pituitary gland

Question 4

What glands are indicated in tertiary endocrine dysfunction?

Answer 4

hypothalamus

Question 5

Which hemoglobins are formed in alpha-thalassemia?

Answer 5

Bart’s Hgb, Hgb E, and Hgb H

Question 6

What is the RBC size classification in G6PD deficiency or malaria?

Answer 6

normocytic

Question 7

What is the RBC size classification in iron deficiency or thalassemia?

Answer 7

microcytic

Question 8

What is the RBC size classification in chronic liver disease or vitamin B12 deficiency?

Answer 8

macrocytic

Question 9

What percentage of untreated patients with latent tuberculosis infections (LTBI) will eventually develop an active infection?

Answer 9

5-10%

Question 10

In a normal lymphocyte population, all CD 4+ cells are also + for what marker?

Answer 10

CD 3

Question 11

Where is serum alkaline phosphatase produced?

Answer 11

bone, intestine, and placenta

Question 12

What is the conidia arrangement of Phialophora sp.?

Answer 12

clusters

Question 13

What is the conidia arrangement of Alternaria sp.?

Answer 13

chains

Question 14

What is the conidia arrangement of Exophiala sp.?

Answer 14

clusters

Question 15

What is the conidia arrangement of Cladosporium sp.?

Answer 15

chains

Question 16

What is the identifying characteristic of Aureobasidium pullulans?

Answer 16

production of black, yeast-like colonies

Question 17

pH electrodes that measure hydrogen ion concentrations are made of what?

Answer 17

glass

Question 18

Which autoantibody binds to TSH receptor sites on thyroid cell membranes, preventing TSH binding?

Answer 18

thyroid-stimulating immunoglobulins

Question 19

What is the turbidity level of the bacterial inoculum of a standard disc diffusion (Kirby-Bauer) susceptibility test?

Answer 19

0.5 McFarland Standard

Question 20

What percentage of glycerol is generally used when freezing red cells of rare phenotypes?

Answer 20

40%

Question 21

Which Plasmodium species presents with enlarged RBCs with fine brownish granules, ameboid structures, Schuffner’s dots, and >15 parasites in some cells?

Answer 21

Plasmodium vivax

Question 22

What disease will most likely show a homogenous pattern in an immunofluorescent (IF) microscopy test for ANA?

Answer 22

SLE

Question 23

Which potent platelet aggregation inhibitor is released by endothelial cells?

Answer 23

prostacyclin

Question 24

What factor deficiency would cause prolongation of the PT assay without prolonging the aPTT?

Answer 24

Factor VII

Question 25

What organism causes melioidosis?

Answer 25

Burkholderia pseudomallei

Question 26

What organism causes glanders?

Answer 26

Burkholderia mallei

Question 27

Exposing serum or plasma to a high magnetic field is necessary for which technology?

Answer 27

nuclear magnetic resonance (NMR) particle count

Question 28

What is Westgard multi-rule R4S?

Answer 28

one data point is +2SD and a consecutive data point is -2SD

Question 29

Why might some Brucella subcultures switch from smooth colonies to rough colonies?

Answer 29

diminished reactivity with Brucella-specific antibodies